精馏岗位加压塔回流比2.8～4

精馏岗位残液比重＞0.93～0.95

判断题精馏岗位残液比重＞0.93～0.95

精馏岗位残液比重＞0.993～0.995

判断题精馏岗位残液比重＞0.993～0.995

精馏岗位加压塔回流温度50-60℃

判断题精馏岗位加压塔回流温度50-60℃